Product Name: E-Z Ink Pro 950XL 951XL compatible Ink Cartridge Replacement for HP Ink 950XL 951XL ink cartridges combo pack Package Contains: 1 x 950 XL 950XL Black, 1 x 951 XL951XL Cyan, 1 x 951 XL 951XL Magenta, 1 x 951 XL 951XL Yellow (Total 4 Pack) Printer Compatibility: Use for HP OfficeJet Pro 8100 8600 8610 8615 8616 8620 8625 8630 251DW 276DW 271DW Printer Page Yield: 950 XL 950XL Black is 2,300 pages per cartridge, 951 XL 951XL Color is 1,500 Pages per cartridge (at 5% coverage of A4) E-Z Ink Pro 950XL and 951XL Ink Cartridges Combo Pack delivers crisp text and graphics